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TR 28.864
Study on Enhancement of the management aspects
related to NetWork Data Analytics Functions (NWDAF)


3GPP‑Page   fToC↓   Partial Content →
V18.0.1 (Wzip)  2023/06  29 p.
Rapporteur:
Mr. Zhao, Song
China Telecom Corporation Ltd.

full Table of Contents for  TR 28.864  Word version:  18.0.1

each clause number in 'red' refers to the equivalent title in the Partial Content
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1Scope  p. 7
2References  p. 7
3Definitions of terms, symbols and abbreviations  p. 7
3.1Terms  p. 7
3.2Symbols  p. 7
3.3Abbreviations  p. 8
4Key Issues and potential solutions  p. 8
4.1Key Issue #1: NWDAFFunction IOC enhancement to support Multiple NWDAF Deployment  p. 8
4.1.1Description  p. 8
4.1.2Potential requirements  p. 8
4.1.3Potential solutions  p. 9
4.1.3.1Potential solution #1: the attribute for NWDAF capability  p. 9
4.1.3.1.1Introduction  p. 9
4.1.3.1.2Description  p. 9
4.1.4Evaluation  p. 9
4.1.5Conclusion for KI#1  p. 9
4.2Key Issue #2: NWDAFFunction IOC enhancement to support the logical decomposition of NWDAF  p. 10
4.2.1Description  p. 10
4.2.2Potential requirements  p. 10
4.2.3Potential solutions  p. 10
4.2.3.1Potential solution #1: the attribute for NWDAF logical decomposition  p. 10
4.2.3.1.1Introduction  p. 10
4.2.3.1.2Description  p. 10
4.2.4Evaluation  p. 11
4.2.5Conclusion for KI#2  p. 11
4.3Key Issue #3: Performance Measurement of the NWDAF on the Interaction Aspect  p. 11
4.3.1Description  p. 11
4.3.2Potential requirements  p. 11
4.3.3Potential solutions  p. 12
4.3.3.1Potential solution #1: number of subscriptions and/or requests  p. 12
4.3.3.1.1Introduction  p. 12
4.3.3.1.2Description  p. 12
4.3.3.2Potential solution #2: number of notifications and/or responses  p. 13
4.3.3.2.1Introduction  p. 13
4.3.3.2.2Description  p. 13
4.3.3.3Potential solution #3: number of subscriptions/requests generated by Aggregator NWDAF  p. 14
4.3.3.3.1Introduction  p. 14
4.3.3.3.2Description  p. 14
4.3.3.4Potential solution #4: number of notifications/responses received by Aggregator NWDAF  p. 15
4.3.3.4.1Introduction  p. 15
4.3.3.4.2Description  p. 15
4.3.3.5Potential solution #5: correctness of service usage  p. 16
4.3.3.5.1Introduction  p. 16
4.3.3.5.2Description  p. 16
4.3.3.6Potential solution #6: number of subscriptions and/or requests received by NWDAF supporting ML model provision services  p. 16
4.3.3.6.1Introduction  p. 16
4.3.3.6.2Description  p. 17
4.3.3.7Potential solution #7: number of notifications and/or responses generated by NWDAF supporting ML model provision services  p. 17
4.3.3.7.1Introduction  p. 17
4.3.3.7.2Description  p. 17
4.3.4Evaluation  p. 18
4.3.5Conclusion for KI#3  p. 18
4.4Key Issue #4: Performance Measurement for NWDAF Data Collection  p. 19
4.4.1Description  p. 19
4.4.2Potential requirements  p. 19
4.4.3Potential solutions  p. 20
4.4.3.1Potential solution #1: number of subscriptions for NWDAF Data Collection  p. 20
4.4.3.1.1Introduction  p. 20
4.4.3.1.2Description  p. 20
4.4.3.2Potential solution #2: number of notifications for NWDAF Data Collection  p. 20
4.4.3.2.1Introduction  p. 20
4.4.3.2.2Description  p. 20
4.4.4Evaluation  p. 21
4.4.5Conclusion for KI#4  p. 21
4.5Key Issue #5: Performance Measurement on Data Collection Exposed by NWDAF  p. 21
4.5.1Description  p. 21
4.5.2Potential requirements  p. 22
4.5.3Potential solutions  p. 22
4.5.3.1Potential solution #1: number of Nnwdaf_DataManagement service subscriptions and/or requests  p. 22
4.5.3.1.1Introduction  p. 22
4.5.3.1.2Description  p. 22
4.5.3.2Potential solution #2: number of Nnwdaf_DataManagement service notifications and/or responses  p. 22
4.5.3.2.1Introduction  p. 22
4.5.3.2.2Description  p. 23
4.5.4Evaluation  p. 23
4.5.5Conclusion for KI#5  p. 23
4.6Key Issue #6: Performance measurement of the NWDAF related to the analytics result generation  p. 23
4.6.1Description  p. 23
4.6.2Potential requirements  p. 24
4.6.3Potential solutions  p. 24
4.6.3.1Potential solution #1: time consumption of NWDAF generating analytics result  p. 24
4.6.3.1.1Introduction  p. 24
4.6.3.1.2Description  p. 24
4.6.4Evaluation  p. 24
4.6.5Conclusion for KI#6  p. 25
4.7Key Issue #7: Performance Management of the NWDAF Analytics-related Timing  p. 25
4.7.1Description  p. 25
4.7.2Potential requirements  p. 25
4.7.3Potential solutions  p. 26
4.7.3.1Potential solution #1: the number of events/scenarios for which all the times are appropriately configured  p. 26
4.7.3.1.1Introduction  p. 26
4.7.3.1.2Description  p. 26
4.7.3.2Potential solution #2: the number of events/scenarios for which the analytics is delivered after the supported delay but before the deadline  p. 26
4.7.3.2.1Introduction  p. 26
4.7.3.2.2Description  p. 27
4.7.3.3Potential solution #3: the number of events/scenarios for which analytics computation is too late  p. 27
4.7.3.3.1Introduction  p. 27
4.7.3.3.2Description  p. 27
4.7.3.4Potential solution #4  p. 27
4.7.4Evaluation  p. 28
4.7.5Conclusion for KI#7  p. 28
5Conclusions and recommendations  p. 28
$Change history  p. 29

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